solid edge st4 视频（多个）

http://v.youku.com/v_show/id_XMjgxMTc5MTUy.html

http://v.youku.com/v_show/id_XMjgxMTcxMTQw.html

http://v.youku.com/v_show/id_XMjgxMTYyNzEy.html

http://v.youku.com/v_show/id_XMjgxMTc3MDQ0.html

http://v.youku.com/v_show/id_XMjgxMTY3NDUy.html

http://v.youku.com/v_show/id_XMjgxMTczNjcy.html

越来越给力的Solid Edge。